Panasonic has just released two new full frame mirrorless cameras, the S5II and S5IIX, and though I have no plans to buy either one I was intrigued by one new feature they share - Phase Detection Autofocus. To be honest, I had never previously heard of PDAF and had to check online to understand exactly what it offers. On the most basic level, according to a Wikipedia article, "Phase detection (PD) is achieved by dividing the incoming light into pairs and comparing them." According to its news release, Panasonic has taken PDAF a step further in its new cameras by introducing what it terms "Phase Hybrid Autofocus" that increases the number of AF points on the sensor and thus improves on the cameras' tracking ability.
PDAF, as implemented by Panasonic, appears a valuable new tool for its camera customers, and I am curious to see if it is included in the MFT cameras the company will release in the future. In spite of firmware updates, the tracking ability of my Lumix G9 has always been somewhat problematic.
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